/**
 * @description 生成唯一 uuid
 * @return string
 */
export function generateUUID() {
    if (typeof crypto === 'object') {
        if (typeof crypto.randomUUID === 'function') {
            return crypto.randomUUID()
        }
        if (typeof crypto.getRandomValues === 'function' && typeof Uint8Array === 'function') {
            const callback = (c: any) => {
                const num = Number(c)
                return (
                    num ^
                    (crypto.getRandomValues(new Uint8Array(1))[0] & (15 >> (num / 4)))
                ).toString(16)
            }
            return '10000000-1000-4000-8000-100000000000'.replace(/[018]/g, callback)
        }
    }
    let timestamp = new Date().getTime()
    let performanceNow =
        (typeof performance !== 'undefined' && performance.now && performance.now() * 1000) || 0
    return 'xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx'.replace(/[xy]/g, (c) => {
        let random = Math.random() * 16
        if (timestamp > 0) {
            random = (timestamp + random) % 16 | 0
            timestamp = Math.floor(timestamp / 16)
        } else {
            random = (performanceNow + random) % 16 | 0
            performanceNow = Math.floor(performanceNow / 16)
        }
        return (c === 'x' ? random : (random & 0x3) | 0x8).toString(16)
    })
}
